- Keith Marshall
- Keith Marshall
- Keith Martin
- Keith Martinson
- Keith Mash
- Keith Mason
- Keith Masters
- Keith Matten
- Keith May
- Keith May
- Keith Mayeaux
- Keith McCarthy
- Keith McCormack
- Keith McCoy
- Keith McCurdy
- Keith McKelley
- Keith Merrill
- Keith Merrill
- Keith Methven
- Keith Michell
- Keith Michell
- Keith Miles
- Keith Miller
- Keith Mills
- Keith Mills
- Keith Mitchell
- Keith Monacchio
- Keith Moody
- Keith Moon
- Keith Moore
- Keith Moore
- Keith Morris
- Keith Morris
- Keith Morris
- Keith Moultrie
- Keith "Mr.Big D" Wyatt
- Keith Munslow
- Keith Murphy
- Keith Murray
- Keith Murrell
- Keith 'n' Shane
- Keith Nakaganeku and Calabash
- Keith Nathan Albrecht
- Keith Naylor
- Keith Nealy
- Keith Nelson
- Keith Newell